* {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  a {
    text-decoration: none;
    color: #000;
  }
  .fl {
    float: left;
  }
  .fr {
    float: right;
  }
  .clearfix:after {
    content: '';
    display: block;
    clear: both;
  }
  /* 版心 */
  .main {
    width: 1180px;
    margin: 0 auto;
  }

  li{
    list-style: none;
  }